对3104铝合金在350～500℃以0.005～0.1 s-1的形变速率进行压缩,真应变为50%,随后立即水冷.采用真应力-真应变曲线和TEM研究其高温压缩变形中的流变应力行为和它的动态再结晶过程.结果表明:3104铝合金为正应变速率敏感材料,具有稳态流变的特征.流变应力随着变形速率的增加而增加,随着变形温度的升高而降低.在低形变温度(350℃)和低形变速率(0.035 s-1)下,该合金发生动态再结晶.
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